The moody information and cockpit voice recorders from cursed Ethiopian Airlines Flight 302 arrived Thursday in Paris, where French aviation authorities were tasked with probing the black boxes for clues to the tragedy.

France’s Bureau of Enquiry and Analysis for Civil Aviation Safety, or BEA, pronounced there was no evident information on the condition of the recorders. Preliminary information could take several days to extract, the group said.

Sunday’s crash, which killed all 157 aboard, was the second pile-up of a Boeing 737 Max in 5 months. In October, Lion Air Flight 610 crashed in the Java Sea 12 mins after takeoff from Jakarta, Indonesia. All 189 people aboard were killed.

The 371 Boeing 737 Max jets flown around the world have been grounded tentative serve investigation. Also unresolved in the change are orders for more than 4,500 of the hot-selling planes.

Boeing has “paused” deliveries of the 737 Max but that prolongation continues, pronounced orator Paul Bergman on Thursday.

“Boeing is confronting severe waters, or severe air, in the entrance months,” Peter Goelz, a former managing executive of the National Transportation Safety Board, told USA TODAY. “Look, you might or might not have a glitch in some worldly software. Some pilots were confronted with a plea and were means to overcome it. Some were not. Why not? This is complicated.”

The Ethiopian Accident Investigation Authority sought assistance because of the worldly program involved. German aviation authorities pronounced their technology was not designed for the new form of recorder used on the 737 Max jets.

Ethiopian Airlines CEO Tewolde GebreMariam had suggested that a European group might be comparison over U.S. aviation authorities “in the seductiveness of vicinity and in the seductiveness of speed.”

Goelz pronounced he was not astounded that France, not the U.S., was selected for the task. He also pronounced that under general treaties the National Transportation Safety Board can be represented “in the room” when the recorders are examined.

Ethiopian authorities will confirm either Boeing can be represented, he said.

Bank of America researcher Ronald Epstein told CNBC that once Boeing identifies a probable problem with the jet, “the most expected scenario, in our view, is that the association will take about 3-6 months to come up with a repair and plead the fix.” But no one knows how much time engineers will need to brand the problem, Goelz said.

Goelz also pronounced he was not astounded that at slightest one airline pronounced it will find remuneration from Boeing. The list could grow the longer the education lasts, he said.

“Planes will be sitting on the tarmac,” he said. “Airlines will want to be compensated for that.”

Daniel Elwell, behaving conduct of the FAA, dismissed claims that the prejudiced shutdown of the U.S. supervision early this year had behind program upgrades for Max 8 planes grown after the Lion Air disaster. Those upgrades are scheduled for execution by month’s end, Elwell said.

Southwest Airlines, which operates more of the jets than any other domestic carrier, pronounced the 34 grounded jetliners comment for reduction than 5 percent of daily flights. The airline pronounced it is charity “flexible” ticketing policies and that passengers requisitioned on canceled flights can rebook at no additional cost.

The United States had been underneath vigour to join nations worldwide in education the planes after concerns mounted that the Ethiopian pile-up was identical to one in October. Wednesday, Canada assimilated the list of countries that halted the flights.